EP0501616A3 - Method and apparatus for controlling the blade of a motorgrader - Google Patents
Method and apparatus for controlling the blade of a motorgrader Download PDFInfo
- Publication number
- EP0501616A3 EP0501616A3 EP19920300909 EP92300909A EP0501616A3 EP 0501616 A3 EP0501616 A3 EP 0501616A3 EP 19920300909 EP19920300909 EP 19920300909 EP 92300909 A EP92300909 A EP 92300909A EP 0501616 A3 EP0501616 A3 EP 0501616A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- motorgrader
- blade
- controlling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
- E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically
- E02F3/845—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically using mechanical sensors to determine the blade position, e.g. inclinometers, gyroscopes, pendulums
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/662,952 US5107932A (en) | 1991-03-01 | 1991-03-01 | Method and apparatus for controlling the blade of a motorgrader |
US662952 | 1991-03-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0501616A2 EP0501616A2 (en) | 1992-09-02 |
EP0501616A3 true EP0501616A3 (en) | 1993-05-05 |
Family
ID=24659903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19920300909 Ceased EP0501616A3 (en) | 1991-03-01 | 1992-02-03 | Method and apparatus for controlling the blade of a motorgrader |
Country Status (3)
Country | Link |
---|---|
US (1) | US5107932A (en) |
EP (1) | EP0501616A3 (en) |
JP (1) | JPH0814116B2 (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5556226A (en) * | 1995-02-21 | 1996-09-17 | Garceveur Corporation | Automated, laser aligned leveling apparatus |
US6168348B1 (en) | 1998-01-16 | 2001-01-02 | Southern Laser, Inc. | Bi-directional surface leveling system |
US6108076A (en) * | 1998-12-21 | 2000-08-22 | Trimble Navigation Limited | Method and apparatus for accurately positioning a tool on a mobile machine using on-board laser and positioning system |
US6253160B1 (en) | 1999-01-15 | 2001-06-26 | Trimble Navigation Ltd. | Method and apparatus for calibrating a tool positioning mechanism on a mobile machine |
US6112145A (en) * | 1999-01-26 | 2000-08-29 | Spectra Precision, Inc. | Method and apparatus for controlling the spatial orientation of the blade on an earthmoving machine |
US7559718B2 (en) * | 1999-01-27 | 2009-07-14 | Trimble Navigation Limited | Transducer arrangement |
US6275758B1 (en) * | 1999-06-29 | 2001-08-14 | Caterpillar Inc. | Method and apparatus for determining a cross slope of a surface |
US6530721B2 (en) | 2001-01-19 | 2003-03-11 | Trimble Navigation Limited | Method for control system setup |
US7735574B2 (en) * | 2005-09-23 | 2010-06-15 | Volvo Road Machinery, Ltd. | Motor grader with adjustable front wheel structure |
US7588088B2 (en) * | 2006-06-13 | 2009-09-15 | Catgerpillar Trimble Control Technologies, Llc | Motor grader and control system therefore |
US7970519B2 (en) | 2006-09-27 | 2011-06-28 | Caterpillar Trimble Control Technologies Llc | Control for an earth moving system while performing turns |
US7650961B2 (en) * | 2006-12-08 | 2010-01-26 | Deere & Company | Differential lock control system and associated method |
US8103417B2 (en) * | 2007-08-31 | 2012-01-24 | Caterpillar Inc. | Machine with automated blade positioning system |
US7810260B2 (en) * | 2007-12-21 | 2010-10-12 | Caterpillar Trimble Control Technologies Llc | Control system for tool coupling |
US20100129152A1 (en) * | 2008-11-25 | 2010-05-27 | Trimble Navigation Limited | Method of covering an area with a layer of compressible material |
US8985233B2 (en) | 2010-12-22 | 2015-03-24 | Caterpillar Inc. | System and method for controlling a rotation angle of a motor grader blade |
US8794867B2 (en) | 2011-05-26 | 2014-08-05 | Trimble Navigation Limited | Asphalt milling machine control and method |
US20140326471A1 (en) * | 2013-05-03 | 2014-11-06 | Caterpillar Inc. | Motor Grader Cross Slope Control With Articulation Compensation |
CN109403398B (en) * | 2018-12-12 | 2021-01-26 | 三一汽车制造有限公司 | Land leveler and blade control method thereof |
US10928227B2 (en) | 2019-04-15 | 2021-02-23 | Caterpillar Inc. | Mounting system for mounting a sensor assembly |
JP7422570B2 (en) * | 2020-03-17 | 2024-01-26 | 株式会社小松製作所 | Work vehicle and control method |
CN112081165A (en) * | 2020-10-14 | 2020-12-15 | 江苏徐工工程机械研究院有限公司 | Land leveler and slope scraping control method and device thereof |
US20220364324A1 (en) * | 2021-05-17 | 2022-11-17 | Caterpillar Inc. | Motor grader blade with ability to follow front tires |
KR102582292B1 (en) * | 2021-10-12 | 2023-09-25 | 한국생산기술연구원 | Blade of motor grader, and design methods therefor |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2961783A (en) * | 1957-01-16 | 1960-11-29 | Preco Inc | Control system for a vehicle-mounted tool |
US3786871A (en) * | 1971-07-26 | 1974-01-22 | Grad Line | Grader control |
US4926948A (en) * | 1989-06-28 | 1990-05-22 | Spectra Physics, Inc. | Method and apparatus for controlling motorgrader cross slope cut |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2754499A (en) * | 1954-07-06 | 1956-07-10 | Raymond C Jost | Steering indicator |
US2886299A (en) * | 1956-04-30 | 1959-05-12 | Union Carbide Corp | Bore mining apparatus having means to measure the angle between units thereof |
US3250547A (en) * | 1965-02-16 | 1966-05-10 | Clark R Myers | Hydraulic control system for trailer trucks |
US3791452A (en) * | 1971-03-17 | 1974-02-12 | Grad Line | Control system for road grader |
US3833928A (en) * | 1973-01-08 | 1974-09-03 | S Gavit | Vehicle-trailer angular position sensor and indicator |
CA1012760A (en) * | 1973-10-23 | 1977-06-28 | Honeywell Inc. | Slope control system |
US3947839A (en) * | 1975-01-31 | 1976-03-30 | Frank Zigmant | Trailer angular direction sensor and indicator |
US4008466A (en) * | 1975-11-07 | 1977-02-15 | Smith William V | Device for indicating angular position and depth of a towed vehicle |
US4122390A (en) * | 1976-10-28 | 1978-10-24 | Gerhard Kollitz | Apparatus for sensing and indicating the angular relationship between a towing and a towed vehicle |
US4213503A (en) * | 1977-01-17 | 1980-07-22 | Honeywell Inc. | Slope control system |
US4156466A (en) * | 1978-01-20 | 1979-05-29 | Grizzly Corporation | Automatic grade and slope control apparatus |
WO1982003645A1 (en) * | 1981-04-15 | 1982-10-28 | Rolland D Scholl | Blade condition control system |
EP0067606A1 (en) * | 1981-06-11 | 1982-12-22 | GKN Group Services Limited | Steering of vehicles |
JPS5883735A (en) * | 1981-11-12 | 1983-05-19 | Komatsu Ltd | Blade controller for motor grader |
JPS58164835A (en) * | 1982-03-26 | 1983-09-29 | Komatsu Ltd | Automatic controller for motor grader |
JPS58173231A (en) * | 1982-04-02 | 1983-10-12 | Komatsu Ltd | Automatic controller for motor grader |
JPS58173232A (en) * | 1982-04-02 | 1983-10-12 | Komatsu Ltd | Automatic controller for motor grader |
JPS5955925A (en) * | 1982-09-21 | 1984-03-31 | Komatsu Ltd | Control system for land grader |
JPS59102023A (en) * | 1982-12-01 | 1984-06-12 | Komatsu Ltd | Automatic controller for motor glader |
US4545439A (en) * | 1983-07-01 | 1985-10-08 | Sellett Andrew J | Apparatus for determining the true cross slope of a blade |
US4696486A (en) * | 1986-01-21 | 1987-09-29 | Deere & Company | Rear steer angle indicator for articulating vehicle |
DE3610666C2 (en) * | 1986-03-29 | 1993-10-14 | Orenstein & Koppel Ag | Bulldozer |
JPS63130832A (en) * | 1986-11-19 | 1988-06-03 | Toyo Sangyo Kk | Automatic ground grading method of high accuracy |
US4918608B1 (en) * | 1988-06-09 | 1996-07-02 | Christopher O Middleton | Method for automatic depth control for earth moving and grading |
US4924374B1 (en) * | 1988-06-09 | 1995-07-18 | Spectra Physics | Method for automatic position control of a tool |
US4914593B1 (en) * | 1988-06-09 | 1995-01-17 | Spectra Physics | Method for automatic depth control for earth moving and grading |
-
1991
- 1991-03-01 US US07/662,952 patent/US5107932A/en not_active Expired - Lifetime
-
1992
- 1992-02-03 EP EP19920300909 patent/EP0501616A3/en not_active Ceased
- 1992-02-28 JP JP4043667A patent/JPH0814116B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2961783A (en) * | 1957-01-16 | 1960-11-29 | Preco Inc | Control system for a vehicle-mounted tool |
US3786871A (en) * | 1971-07-26 | 1974-01-22 | Grad Line | Grader control |
US4926948A (en) * | 1989-06-28 | 1990-05-22 | Spectra Physics, Inc. | Method and apparatus for controlling motorgrader cross slope cut |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 7, no. 183 (M-235)12 August 1983 & JP-A-58 083 735 ( KOMATSU SEISAKUSHO KK ) * |
PATENT ABSTRACTS OF JAPAN vol. 7, no. 291 (M-265)(1436) 27 December 1983 & JP-A-58 164 835 ( KOMATSU SEISAKUSHO ) * |
Also Published As
Publication number | Publication date |
---|---|
JPH04319129A (en) | 1992-11-10 |
EP0501616A2 (en) | 1992-09-02 |
JPH0814116B2 (en) | 1996-02-14 |
US5107932A (en) | 1992-04-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB IT NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB IT NL SE |
|
17P | Request for examination filed |
Effective date: 19931029 |
|
17Q | First examination report despatched |
Effective date: 19950223 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
|
18R | Application refused |
Effective date: 19960519 |